28043816204600 has 192 divisors, whose sum is σ = 76576654851840. Its totient is φ = 9351106329600.

The previous prime is 28043816204563. The next prime is 28043816204609. The reversal of 28043816204600 is 640261834082.

It is a super-2 number, since 2×28043816204600² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28043816204609) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13026935 + ... + 15026265.

It is an arithmetic number, because the mean of its divisors is an integer number (398836744020).

Almost surely, 2^{28043816204600} is an apocalyptic number.

28043816204600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28043816204600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38288327425920).

28043816204600 is an abundant number, since it is smaller than the sum of its proper divisors (48532838647240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28043816204600 is a wasteful number, since it uses less digits than its factorization.

28043816204600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999630 (or 1999621 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 44.

The spelling of 28043816204600 in words is "twenty-eight trillion, forty-three billion, eight hundred sixteen million, two hundred four thousand, six hundred".